# a = [1,2,3]
# b = a
# print(a==b)
# print(a is b)
#
# c = [1,2,3]
# print(a==c)
# print(a is c)
import  copy
d = [1,2,{'a':11}]
e = d.copy()
print(e)
e[2]['a']= 33
print(d,e)
# f = copy.deepcopy(d)
# print(f)
# f[2]['a'] = 22
# print(d,f)